Hoogovens Aluminium is a smelter plant located on 227 acres of which 195 acres have been developed into a nature reserve. In 1976, 140,000 native trees and bushes were planted, attracting hundreds of wildlife species. Two large ponds were built in 1980 and 1987, which attracted amphibians, ducks and herons. An additional 50 acres have also been set aside as a forest, making it possible for cattle to graze without the risk of fluoride intake. The Hoogovens smelter is a fine example of how industry and nature can co-exist.